{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["discoverer", "vulnerable system", "vulnerable system owner", "time", "vulnerable system version", "supported platform", "capabilities", "common vulnerabilities and exposures", "vulnerability"]}], "input": "The flaws , made public in 2016 by Muddy Waters and security firm MedSec , could allow an unauthorized user to access the defibrillaors and modify the programming controls ."}
{"discover vulnerability": [{"discoverer": ["Muddy Waters", "security firm MedSec"], "vulnerable system": "NAN", "vulnerable system owner": "NAN", "time": "2016", "vulnerable system version": "NAN", "supported platform": "NAN", "capabilities": ["allow an unauthorized user to access the defibrillaors", "modify the programming controls"], "common vulnerabilities and exposures": "NAN", "vulnerability": "The flaws"}]}